219025043 has 2 divisors, whose sum is σ = 219025044. Its totient is φ = 219025042.

The previous prime is 219025031. The next prime is 219025049. The reversal of 219025043 is 340520912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219025043 is a prime.

It is a super-2 number, since 2×219025043² = 95943938922303698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (219025049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109512521 + 109512522.

It is an arithmetic number, because the mean of its divisors is an integer number (109512522).

Almost surely, 2^219025043 is an apocalyptic number.

219025043 is a deficient number, since it is larger than the sum of its proper divisors (1).

219025043 is an equidigital number, since it uses as much as digits as its factorization.

219025043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 219025043 is about 14799.4946873196. The cubic root of 219025043 is about 602.7879908536.

Adding to 219025043 its reverse (340520912), we get a palindrome (559545955).

The spelling of 219025043 in words is "two hundred nineteen million, twenty-five thousand, forty-three".